ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Explore membership for yourself or for your organization.
Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
Latest Magazine Issues
May 2026
Jan 2026
2026
Latest Journal Issues
Nuclear Science and Engineering
June 2026
Nuclear Technology
Fusion Science and Technology
Latest News
Supreme Court declines to hear case involving St. Louis contamination
The Supreme Court of the United States on Monday declined to hear an appeal from General Atomics subsidiary Cotter Corporation and Commonwealth Edison, an Exelon company, in a case over alleged radioactive contamination in the St. Louis, Mo., area, leaving in place an 8th Circuit Court ruling that allows the plaintiffs’ state-law tort claims to proceed under the federal Price-Anderson Act.
ICRS 14/RPSD 2022 speaker
Professor Townsend has over four decades of experience researching nuclear interactions of cosmic rays and their implications for space radiation shielding and crew protection and is among the top 1% of cited researchers in the world-wide aerospace science community. He has a BS in Physics from the U.S. Naval Academy, an MS in Physics from the Naval Postgraduate School, and PhD in Physics from the University of Idaho. He served as a nuclear submarine engineer officer (1970-1977). From 1981 - 1995, he was a NASA Research Scientist/Senior Research Scientist. In 1993, he received the NASA Medal for Exceptional Scientific Achievement. In 1995, he retired from NASA and joined the Department of Nuclear Engineering at the University of Tennessee, Knoxville, retiring in 2017. He is an ANS Fellow, an HPS Fellow, and Associate Fellow of the AIAAA. In 2020 he was elected to membership in the International Academy of Astronautics.
Last modified July 29, 2022, 10:42am PDT